December 1927

Purchase To Read More

Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

Print + Digital All Access Subscription ?Read or download this issue’s articles online. Plus, subscribe to get Print, Online and Tablet access to the next 12 new issues to be released as well as Online access to archives back to 1845. $99.00

Features

Lightning Prevention

A New Scientific Method has been devised for Safeguarding Large Areas-Especially Petroleum Storage Tanks--by Actually Preventing Lightning Strokes, Instead of Merely Protecting them with Lightning Rods

By E. H. Wilcox

Pre-Sumerian Man

From unknown Arabia new Evidence of Prehistoric Man of as Early as 20,000 B.C. has been discovered

By L. H. Dudley Buxton

Life-Saving Airplanes

Aircraft are now Employed for Carrying Life-Lines to Ships in Distress

By S. R. Winters

The Giant of Broadcasting

Powerful Transmitter with many new Features wins approval of Radio Listeners

By Orrin E. Dunlap Jr.

Great Britain's Mechanised Army

How Nature Conquers

When one watches closely the Reforestation of a Barren Area, some Surprising Routines of Nature are revealed

By H. J. Lutz

The Stars of the Manger

Ten Co-operating Astronomical Observatories Have Revealed that the Little Cluster Known as Praesepe—"The Manger"—Contains Over 350 Stars Traveling Side by Side Through Interstellar Space

By Henry Norris Russell

From the Scrap-book of Science--Camera Shots of Scientific Events, December 1927

Water--the Modern Aladdin

Thousands of acres that are now useless for Agriculture, will be made available for Crop Production by the Opening of the Completed Kittitas Irrigation Project

By Charles F. A. Mann

Successful Inventors--XII

An Industrial Expert tells why Manufacturers must seek new Inventions to Keep their Wheels Turning

By Milton Wright

The "Movie" Theater up-to-Date

Scandinavian Six-meter Yachts Win

The New Modern Foundry Arrives

Which foot supports a Golfer's Weight?

By C. Bond Lloyd

Learning Language by its Feel

The "Teletactor" enables the Deaf to hear through their Finger Tips

By Robert H. Gault

The Post-War Navies

How the Overgrown War fleets of the United States and Great Britain were brought down to a Peacetime Basis

In the Editor's Mail, December 1927

The Heavens in December 1927

Patents Recently Issued, December 1927

Commercial Property News, December 1927

Purchase To Read More

Digital Issue ?Read or download this issue’s articles online. *A printed copy of this issue is not included. $7.99

Print + Digital All Access Subscription ?Read or download this issue’s articles online. Plus, subscribe to get Print, Online and Tablet access to the next 12 new issues to be released as well as Online access to archives back to 1845. $99.00

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www.springernature.com/us). Scientific American maintains a strict policy of editorial independence in reporting developments in science to our readers.